<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>块级的网格容器</title>
<style>
.grid-container {
	display: grid;
	grid-template-columns: auto auto auto;
	background-color: #2196F3;
	padding: 10px;
}

.grid-item {
	background-color: rgba(255, 255, 255, 0.8);
	border: 1px solid rgba(0, 0, 0, 0.8);
	padding: 20px;
	font-size: 30px;
	text-align: center;
}
</style>
</head>
<body>

<h1>display: grid</h1>

<p>使用 display: grid; 来设置网格容器的块级元素。</p>

<div class="grid-container">
	<div class="grid-item">1</div>
	<div class="grid-item">2</div>
	<div class="grid-item">3</div>  
	<div class="grid-item">4</div>
	<div class="grid-item">5</div>
	<div class="grid-item">6</div>  
	<div class="grid-item">7</div>
	<div class="grid-item">8</div>
	<div class="grid-item">9</div>  
</div>

</body>
</html>